Home / 10,498.85-15,740.45-4,574.61

Finding the Fourth Proportional to 10,498.85, 15,740.45 and 4,574.61

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Solution

The fourth proportional to 10,498.85, 15,740.45 and 4,574.61 is: 6,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498.85 : 15,740.45 = 4,574.61 : x
  2. Step 2: Convert to fraction form
    10,498.85/15,740.45 = 4,574.61/x
  3. Step 3: Cross multiply
    10,498.85x = 15,740.45 × 4,574.61
  4. Step 4: Simplify right side
    10,498.85x = 72,006,397.10
  5. Step 5: Solve for x
    x = 72,006,397.10/10,498.85
  6. Step 6: Final answer
    x = 6,858.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.